Finding the Fourth Proportional to 2,599.34, 3,587.02 and 1,420.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,599.34 : 3,587.02 = 1,420.42 : x
2. Step 2: Convert to fraction form
   2,599.34/3,587.02 = 1,420.42/x
3. Step 3: Cross multiply
   2,599.34x = 3,587.02 × 1,420.42
4. Step 4: Simplify right side
   2,599.34x = 5,095,074.95
5. Step 5: Solve for x
   x = 5,095,074.95/2,599.34
6. Step 6: Final answer
   x = 1,960.14